EP2508530A1 - Reinigung von triphosphorylierten Oligonucleotiden mit Einfang-Tags - Google Patents

Reinigung von triphosphorylierten Oligonucleotiden mit Einfang-Tags Download PDF

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EP2508530A1
EP2508530A1 EP11160032A EP11160032A EP2508530A1 EP 2508530 A1 EP2508530 A1 EP 2508530A1 EP 11160032 A EP11160032 A EP 11160032A EP 11160032 A EP11160032 A EP 11160032A EP 2508530 A1 EP2508530 A1 EP 2508530A1
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Prior art keywords
oligonucleotide
formula
alkyl
capture tag
capture
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EP11160032A
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French (fr)
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Rheinische Friedrich Wilhelms Universitaet Bonn
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Rheinische Friedrich Wilhelms Universitaet Bonn
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Priority to EP11160032A priority Critical patent/EP2508530A1/de
Priority to RS20170383A priority patent/RS55912B1/sr
Priority to SI201230928A priority patent/SI2691410T1/sl
Priority to DK12710950.2T priority patent/DK2691410T3/en
Priority to PL12710950T priority patent/PL2691410T3/pl
Priority to JP2014501597A priority patent/JP5981985B2/ja
Priority to SM20170211T priority patent/SMT201700211T1/it
Priority to EP17161309.4A priority patent/EP3199538B1/de
Priority to HUE12710950A priority patent/HUE033843T2/en
Priority to CN201280015575.XA priority patent/CN103492405B/zh
Priority to ES12710950.2T priority patent/ES2623002T3/es
Priority to EP12710950.2A priority patent/EP2691410B1/de
Priority to LTEP12710950.2T priority patent/LT2691410T/lt
Priority to US14/007,752 priority patent/US9399658B2/en
Priority to PCT/EP2012/055520 priority patent/WO2012130886A1/en
Priority to CN201611239988.2A priority patent/CN106699829A/zh
Priority to AU2012234296A priority patent/AU2012234296B2/en
Priority to PT127109502T priority patent/PT2691410T/pt
Priority to HRP20170577TT priority patent/HRP20170577T1/hr
Priority to CA2830980A priority patent/CA2830980C/en
Publication of EP2508530A1 publication Critical patent/EP2508530A1/de
Priority to US15/178,881 priority patent/US9896689B2/en
Priority to JP2016149059A priority patent/JP6373908B2/ja
Priority to CY20171100440T priority patent/CY1118867T1/el
Priority to AU2017206181A priority patent/AU2017206181A1/en
Ceased legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N15/00—Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
    • C12N15/09—Recombinant DNA-technology
    • C12N15/11—DNA or RNA fragments; Modified forms thereof; Non-coding nucleic acids having a biological activity
    • C12N15/113—Non-coding nucleic acids modulating the expression of genes, e.g. antisense oligonucleotides; Antisense DNA or RNA; Triplex- forming oligonucleotides; Catalytic nucleic acids, e.g. ribozymes; Nucleic acids used in co-suppression or gene silencing
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H1/00—Processes for the preparation of sugar derivatives
    • C07H1/02—Phosphorylation
    • C07H1/04—Introducing polyphosphoric acid radicals
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H21/00—Compounds containing two or more mononucleotide units having separate phosphate or polyphosphate groups linked by saccharide radicals of nucleoside groups, e.g. nucleic acids
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H21/00—Compounds containing two or more mononucleotide units having separate phosphate or polyphosphate groups linked by saccharide radicals of nucleoside groups, e.g. nucleic acids
    • C07H21/02—Compounds containing two or more mononucleotide units having separate phosphate or polyphosphate groups linked by saccharide radicals of nucleoside groups, e.g. nucleic acids with ribosyl as saccharide radical
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07H—SUGARS; DERIVATIVES THEREOF; NUCLEOSIDES; NUCLEOTIDES; NUCLEIC ACIDS
    • C07H1/00—Processes for the preparation of sugar derivatives
    • C07H1/02—Phosphorylation
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N2330/00—Production
    • C12N2330/30—Production chemically synthesised

Definitions

  • the present invention relates to a method of preparing triphosphate-modified oligonucleotides using a capture tag.
  • the method allows the synthesis and purification of triphosphate-modified oligonucleotides in high yield and purity suitable for pharmaceutical applications.
  • WO96/40159 describes a method for producing capped RNA or RNA analogue molecules, wherein an RNA or RNA analogue oligonucleotide is reacted with a phosphitylating agent such as 2-chloro-4H-1,3,2-benzodioxaphosphorin-4-one or a ring-substituted derivative thereof. The resulting intermediate is reacted with a phosphate or pyrophosphate or salt thereof, oxidized or hydrolyzed. The di- or triphosphorylated RNA or RNA analogue is capped by reacting with an activated m 7 G tri-, di- or monophosphate or analogue.
  • a phosphitylating agent such as 2-chloro-4H-1,3,2-benzodioxaphosphorin-4-one or a ring-substituted derivative thereof.
  • the resulting intermediate is reacted with a phosphate or pyrophosphate or salt thereof,
  • WO 2009/060281 describes immune stimulatory oligoribonucleotide analogues containing modified oligophosphate moieties and methods for the preparation of such compounds.
  • This method includes the synthesis of the oligonucleotide on a solid support, reacting a nucleotide at a 5'-end of the oligonucleotide with a phosphitylating agent such as 2-chloro-4H-1,3,2-benzodioxaphosphorin-4-one in a suitable solvent and in the presence of a base, reacting the phosphitylated oligonucleotide with a pyrophosphate or pyrophosphate analogue, oxidizing the oligonucleotide with an oxidizing agent and deprotecting the oligonucleotide to give a triphosphate- or triphosphate analogue-modified oligonucleotide.
  • a phosphitylating agent such
  • Polyacrylamide gel-electrophoresis as employed in WO 96/40159 is applicable only for small scale separations.
  • the resolution power of ion exchange chromatography for 5'-mono-, di-, triphosphorylated products of longer oligoribonucleotides is limited.
  • the required denaturing conditions make separation a tedious task (Sproat, 1999; Zlatev, 2010; WO 2009/060281 ), moreover, products are usually contaminated with n-1, n-2 sequences and their mono- and diphosphates resulting in insufficient purity.
  • these purification methods are suboptimal for pharmacological applications.
  • the 5'-O-cyclotriphosphate intermediate of a solid-phase bound fully protected oligonucleotide can be ring opened with a capture tag, e.g. decylamine to give a linear P ⁇ tagged species that is stable to the deprotection of the RNA.
  • a capture tag e.g. decylamine
  • the nature of the tag is such as to impart a specific retention of the capture tagged triphosphate species on a capture tag specific reagent, enabling easy separation from the impurities that do not contain the tag.
  • the tag can be subsequently removed if desired.
  • the method can be extended to encompass analogues of the triphosphate moietity, e.g. analogues containing for instance ⁇ , ⁇ -methylene, fluoromethylene, difluoromethylene and imino groups replacing an oxygen atom.
  • Advantages of the capture tagging method are simple purification and improved recovery of the desired species, e.g. at room temperature by RP-HPLC or affinity chromatography, optionally followed by cleavage of the capture tag under suitable conditions.
  • the present invention describes the synthesis and purification of oligonucleotide triphosphates, including analogues thereof that contain capture tags.
  • the most widely employed method for the HPLC purification of standard 5'-OH oligonucelotides is reversed phase chromatography of trityl-ON oligonucleotides.
  • the method described in this invention offers a practical solution with similar efficacy for 5'-triphosphorylated oligonucleotides.
  • a subject-matter of the present invention is a method of preparing an oligonucleotide of formula (I), wherein V 1 , V 3 and V 5 are independently in each case selected from O, S and Se; V 2 , V 4 and V 6 are independently in each case selected from OH, OR 1 , SH, SR 1 , F, NH 2 , NHR 1 , N(R 1 ) 2 and BH 3 - M + , W 1 is O or S, W 2 is O, S, NH or NR 2 , W 3 is O, S, NH, NR 2 , CH 2 , CHHal or C(Hal) 2 , R 1 , R 2 and R 3 are selected from C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 2-6 acyl or a cyclic group, each optionally substituted, or wherein two R 1 may form a ring together with an N-atom bound thereto, M + is a cation
  • the method further comprises the step (d) removing the capture tag to obtain an oligonucleotide of formula (IV), wherein V 1 , V 3 , V 5 , V 2 , V 4 , V 6 , W 1 , W 2 , W 3 and ON are as described above.
  • This step is carried out under conditions which do not cause degradation of the triphosphate moiety, e.g. as described in detail below.
  • the capture tag is not or not completely removed.
  • the tagged oligonucleotide as such may have utility, e.g. utility as pharmaceutical agent.
  • oligonucleotide in the context of the present application encompasses compounds comprising a plurality, e.g. at least 4 nucleotide or nucleotide analogue building blocks.
  • the oligonucleotide comprises 6-100, e.g. 20-40 building blocks.
  • the nucleotide or nucleotide analogue building blocks may comprise nucleoside or nucleoside analogue subunits connected by inter-subunit linkages.
  • the nucleoside subunits include deoxyribonucleoside subunits, ribonucleoside subunits and/or analogues thereof, particularly sugar- and/or nucleobase-modified nucleoside analogues.
  • the oligonucleotides may comprise non-nucleotidic building blocks and/or further terminal and/or side-chain modifications.
  • the 2'-OH of a ribonucleoside subunit is replaced by a group selected from OR, R, halo, SH, SR, NH 2 , NHR, NR 2 or CN, wherein R is C 1-6 alkyl, C 2-6 alkenyl or C 2-6 alkynyl and halo is F, Cl, Br or I.
  • the ribose may be substituted, e.g. by another sugar, for example a pentose such as arabinose. This sugar modification may be combined with 2'-OH modifications as described above, such as in 2'-fluoroarabinonucleoside subunits.
  • sugar-modified subunits include locked nucleosides (LNA) or 2',3'-seco-nucleosides (UNA).
  • LNA locked nucleosides
  • UNA 2',3'-seco-nucleosides
  • a non-standard nucleobase is used instead of a standard nucleobase.
  • non-standard nucleobases are uracils or cytosines modified at the 5-position, e.g. 5-(2-amino)propyl uracil or 5-bromouracil; hypoxanthine; 2,6-diaminopurine; adenines or guanines modified at the 8-position, e.g.
  • nucleobase analogues may be selected from universal nucleobase analogues such as 5-nitroindole.
  • the inter-subunit linkage between subunits may be a phosphodiester linkage or a modified linkage, e.g. a phosphorothioate, phosphorodithioate, methylphosphonate, phosphoramidate, boranophosphate, or another modified linkage known to a skilled person in the art.
  • the oligonucleotide may be selected from deoxyribonucleotides, ribonucleotides and oligonucleotide analogues.
  • Analogues of desoxyribonucleotides or ribonucleotides may comprise at least one desoxyribonucleoside or ribonucleoside subunit and at least one modified nucleosidic subunit and/or at least one modified inter-subunit linkage, e.g. as described above.
  • Oligonucleotide analogues may also consist in their entirety of modified nucleosidic subunits.
  • the oligonucleotide may be a single-stranded molecule or a double-stranded molecule.
  • Double-stranded oligonucleotides may comprise completely or partially complementary strands.
  • Double-stranded molecules may be blunt-ended or comprise at least one overhang, e.g. a 5'- or 3'-overhang. Overhangs, if present, are preferably located at the distal end of the molecule (with regard to the triphosphate/triphosphate analogue group).
  • Double-stranded oligonucleotides may also comprise a hairpin-structure, wherein the duplex is closed by a loop at the distal end thereof (with regard to the triphosphate/triphosphate analogue group).
  • the loop may comprise nucleotide and/or non-nucleotide building blocks, for example diol-based building blocks such as ethylene glycol moieties, e.g. tri(ethylene)glycol or hexa(ethylene)glycol; propane-1,3-diol; dodecane-1,12-diol; or 3,12-dioxa-7,8-dithiatetradecane-1,14-diol.
  • diol-based building blocks such as ethylene glycol moieties, e.g. tri(ethylene)glycol or hexa(ethylene)glycol; propane-1,3-diol; dodecane-1,12-diol; or 3,12-dioxa-7,8-dithiatetradecane-1,14-diol.
  • double-stranded molecules are blunt-ended, particularly at the proximal end thereof (with regard to the triphosphate/triphosphate analogue group).
  • the oligonucleotide may comprise further terminal and/or side-chain modifications, e.g. cell specific targeting entities covalently attached thereto.
  • Those entities may promote cellular or cell-specific uptake and include, for example lipids, vitamins, hormones, peptides, oligosaccharides and analogues thereof.
  • Targeting entities may e.g. be attached to modified nucleobases or non-nucleotidic building blocks by methods known to the skilled person.
  • the oligonucleotide of formula (I) or (IV) comprises a triphosphate/triphosphate analogue group.
  • V 1 , V 3 and V 5 are independently selected from O, S and Se.
  • V 1 , V 3 and V 5 are O.
  • V 2 , V 4 and V 6 are in each case independently selected from OH, OR 1 , SH, SR 1 , F, NH 2 , NHR 1 , N(R 1 ) 2 and BH 3 - M + .
  • V 2 , V 4 and V 6 are OH.
  • R 1 may be C 1-6 alkyl, C 2-6 alkenyl, C 2-6 alkynyl, C 2-6 acyl or a cyclic group, e.g. a C 3-8 cyclo(hetero)alkyl group, a C 3-8 cyclo(hetero)alkenyl group, phenyl or C 5-6 heteroaryl group, wherein heteroatoms are selected from N, O and S.
  • two R 1 may form a ring, e.g. a 5- or 6-membered ring together with an N-atom bound thereto.
  • R 1 may also comprise substituents such as halo, e.g.
  • M + may be an inorganic or organic cation, e.g. an alkali metal cation or an ammonium or amine cation.
  • W 1 may be O or S.
  • W 1 is O.
  • W 2 may be O, S, NH or NR 2 .
  • W 2 is O.
  • W 3 may be O, S, NH, NR 2 , CH 2 , CHHal or C(Hal) 2 -Preferably, W 3 is O, CH 2 or CF 2 .
  • R 2 may be selected from groups as described for R 1 above. Hal may be F, Cl, Br or I.
  • the triphosphate/triphosphate analogue group is preferably attached to a terminus of the oligonucleotide.
  • the group is attached to the 5'-terminus of the oligonucleotide, particularly to the 5'-OH-group of the 5'-terminal sugar thereof.
  • Step (a) of the method of the invention comprises the reaction of cyclic P(V)-P(V)-P(III) species of formula (IIa) with an oxidizing agent.
  • the compound of formula (IIa) may be obtained according to standard methods as described by Ludwig et al, 1989, supra and Gaur et al., 1992, supra, namely by reacting the 5'-terminal OH-group of an oligonucleotide with a trifunctional phosphitylating agent, e.g. 2-chloro-4H-1,3,2-benzodioxaphosphorin-4-one under suitable conditions, e.g.
  • pyrophosphate pyridine or diisopropylmethylamine
  • suitable solvent such as dioxane or dichloromethane
  • W 3 a modified pyrophosphate
  • W 3 is different from O, e.g. CH 2 , CCl 2 , NH or CF 2
  • a tri-n-butylammonium salt of the pyrophosphate or modified pyrophosphate in DMF is used.
  • the resulting cyclic P(III)-P(V) intermediate (IIa) is then oxidized under anhydrous conditions, e.g.
  • a peroxide such as t-butyl hydroperoxide, cumene hydroperoxide, (10-camphorsulfonyl)oxaziridine).
  • a peroxide such as t-butyl hydroperoxide, cumene hydroperoxide, (10-camphorsulfonyl)oxaziridine.
  • Reaction step (a) may take place with an oligonucleotide in solution or with an oligonucleotide bound to a solid phase, e.g. an organic resin or glass, such as CPG.
  • the oligonucleotide may further comprise protecting groups, e.g. sugar- or nucleobase protecting groups that are well known to the skilled person.
  • protecting groups are 2-cyanoethyl for the internucleoside phosphodiester or phosphorothioate, tert-butyldimethylsilyl, triisopropylsilyloxymethyl or bis(acetoxyethoxy)methyl for the ribose 2'-hydroxyl group, 4-t-butylphenoxyacetyl or phenoxyacetyl, acetyl, isobutyryl, benzoyl for the exocyclic amino groups of the nucleobases. More preferably, step (a) is carried out with a solid-phase bound oligonucleotide.
  • step (b) of the method of the invention compound (IIb) is reacted with a capture tag agent of formula (III) Z - Y - XH wherein X is a group selected from NH, NR 3 , O or S. R 3 is defined as described above for R 1 .
  • X is NH or S.
  • the capture tag is functionally defined below by a series of plausible Examples.
  • a general rule may be:
  • Reaction step (b) may take place with an oligonucleotide in solution or with an oligonucleotide bound to a solid phase, e.g. an organic resin or glass.
  • the oligonucleotide may further comprise protecting groups as described above. More preferably, step (b) is carried out with a solid phase-bound oligonucleotide.
  • the capture tag Z is a moiety capable of non-covalently or covalently interacting with a capture reagent under conditions which allow separation for compounds comprising the capture tag, e.g. the oligonucleotide (I) from other species, which do not contain the capture tag.
  • the capture reagent is an immobilized reagent or a reagent capable of being immobilized.
  • Suitable capture tags are for instance long-chain, e.g. C 8-24 , preferably C 13-24 aliphatic alkyl residues such as decyl or octadecyl or other lipidic/lipophilic residues such as e.g. cholesteryl or tocopheryl.
  • the tagged triphosphate entity can be captured and purified on a solid phase by standard reversed phase chromatography, e.g. RP-HPLC, or by hydrophobic interaction chromatography (HIC).
  • the capture tag may also be a perfluoroalkyl entity, e.g.
  • the capture tag may be a first partner of a non-covalent high-affinity binding pair, such as biotin, or a biotin analogue such as desthiobiotin, a hapten or an antigen, which has a high affinity (e.g. binding constant of 10 -6 I/mol or less) with the capture reagent, which is a second complementary partner of the high-affinity binding pair, e.g. a streptavidin, an avidin or an antibody.
  • a first partner of a non-covalent high-affinity binding pair such as biotin, or a biotin analogue such as desthiobiotin, a hapten or an antigen, which has a high affinity (e.g. binding constant of 10 -6 I/mol or less) with the capture reagent, which is a second complementary partner of the high-affinity binding pair, e.g. a streptavidin, an avidin or an antibody.
  • the capture tag may be a first partner of a covalent binding pair, which may form a covalent bond with the capture reagent, which is a second complementary partner of the covalent binding pair, wherein the covalent bond may be a reversible or an irreversible bond.
  • the capture tag component Z may be a reactive chemical entity such as an azide or alkynyl group enabling covalent reaction with a capture reagent that contains a complementary reactive group, e.g.
  • the capture tag component may be a chemical entity which contains an additional nucleophylic group, for instance a second amino group in an NH 2 -Y-XH type reagent.
  • an additional nucleophylic group for instance a second amino group in an NH 2 -Y-XH type reagent.
  • suitable electrophylic Z reagent as cholesterolchloroformiate or biotin N hydroxy succinimide active esters may then be used to introduce the tagging group while the oligonucleotiode is attached to the solid phase, thus significantly extending the scope of the tagging reaction.
  • Y may optionally contain a disulfide bond to enable recovery of the modified triphosphorylated oligonucleotide with a free sulfhydryl moiety connected via part of the linker through X to the ⁇ -phosphorus.
  • the oligonucleotide may carry a second capture tag at a different position, e.g. at the 3'-terminus.
  • the first and the second capture tags are preferably selected as to allow purification by two orthogonal methods to enable recovery of extremely high purity material.
  • the first capture tag may be a lipophilic group, which interacts with a suitable chromatographic support and the second capture tag may be biotin, which interacts with streptavidin.
  • the second capture tag may be conveniently introduced by performing the synthesis using a modified CPG (controlled glass support) for oligoribonucleotide synthesis.
  • Step (c) of the method of the present invention comprises contacting the reaction product of step (b), with a capture reagent capable of interacting with the capture tag Z under conditions which allow separation of the capture tag containing oligonucleotide (I) from other species contained in the reaction product.
  • a capture reagent capable of interacting with the capture tag Z under conditions which allow separation of the capture tag containing oligonucleotide (I) from other species contained in the reaction product.
  • the solid phase bound oligonucleotide (I) is cleaved from the solid phase and deprotected, i.e. the protection groups are partially or completely removed.
  • the capture reagent is preferably immobilized on a suitable support, e.g. a chromatographic support.
  • the reaction products from step (b) are cleaved from a solid phase and deprotected, if necessary, and subjected to a separation procedure, preferably a chromatographic separation procedure based on the interaction of the capture tag Z with the capture reagent.
  • a separation procedure preferably a chromatographic separation procedure based on the interaction of the capture tag Z with the capture reagent.
  • the purity of the oligonucleotide (I) which is generally in the range of 25-70% for the crude material depending upon the length and complexity of the sequence, may be increased to 90%, 91%, 92%, 93%, 94%, 95% or more.
  • the present invention provides a way to obtain a high purity ppp-RNA as would be required for human clinical trials.
  • the capture tag and the capture reagent capable of interacting therewith are preferably selected from (i) a hydrophobic or fluorinated group and a chromatographic material with affinity for hydrophobic or fluorinated groups, e.g. a reversed phase material or a fluorous affinity support; (ii) a first partner of a non-covalent high-affinity binding pair and a second complementary partner of a non-covalent high-affinity binding pair, (iii) a first partner of a covalent binding pair and a second complementary partner of a covalent binding pair, where the first and second partner form covalent bonds.
  • a hydrophobic or fluorinated group and a chromatographic material with affinity for hydrophobic or fluorinated groups e.g. a reversed phase material or a fluorous affinity support
  • a first partner of a non-covalent high-affinity binding pair and a second complementary partner of a non-covalent high-affinity binding pair e.g. a reversed
  • capture tag Z may be cleaved from the triphosphate-modified oligonucleotide in a further step (d) resulting in an untagged oligonucleotide (IV).
  • Step (d) has to be compatible with stability requirements of the triphosphate end product and with stability requirements of the interribonucleotide bond. It may comprise cleavage by mildly acidic conditions when X is NH, cleavage with silver ions when X is S, cleavage by a thiol such as dithiothreitol leading to elimination of thiirane when Y-X-P contains -S-S-CH 2 -CH 2 -O-P.
  • the capture tag set remains completely or partially on the triphosphate-modified oligonucleotide, particularly when the tagged oligonucleotide is suitable for pharmaceutical applications.
  • the triphosphate/triphosphate analogue modified oligonucleotides produced according to the present invention are particularly suitable for pharmaceutical applications due to their high purity.
  • the oligonucleotide (I) or (IV) is an activator of RIG-1 helicase.
  • RIG-1 activators are disclosed in Schlee et al., 2009, supra, the content of which is herein incorporated by reference.
  • Still another subject-matter of the invention is the use of a kit for preparing an oligonucleotide of formula (I) wherein V 1 , V 3 , V 5 , V 2 , V 4 , V 6 , W 1 , W 2 , W 3 , X, Y, Z and ON are defined as above, wherein the kit comprises (a) a capture tag agent of formula (III) Z-Y-XH (III) wherein X, Z and Y are defined as above, and (b) a capture reagent capable of interacting with the capture tag.
  • Still another subject-matter of the invention is a modified oligonucelotide of formula (I) wherein X is NH, O, R-O-[P(V 1 )V 2 -W 1 ] n or R-O-P(V 3 )V 4 -W 2 -P-(V 1 )V 2 -W 1 , n is 1-12, preferably 1 or 2, Y is a bond, Z is C 13 -C 24 alkyl, Q or QNHC 2 -C 24 alkyl, Q is selected from H, aminoacids, aminoacid analogues, C 1 -C 24 alkyl, preferably C 12 -C 24 alkyl, peptides and lipids, R is C 1 -C 24 alkyl, C 2 -C 24 alkenyl, C 2 -C 24 alkynyl and lipids, R is C 1 -C 24 alkyl, C 2 -C 24 alkenyl, C 2 -C 24 alky
  • a modified oligonucleotide of formula (I) has X being NH.
  • This embodiment preferably has Z being Q or Z being QNHC 2 -C 24 alkyl, wherein in a particularly preferred embodiment C 2 -C 24 alkyl is C 2 alkyl and/or Q is H.
  • Particularly preferred embodiments of the identified oligonucleotide according to the invention are shown in Fig. 8 .
  • a 5'-triphosphate modified oligonucleotide was also synthesized and purified using an octadecyl or a cholesteryl capture tag.

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EP11160032A 2011-03-28 2011-03-28 Reinigung von triphosphorylierten Oligonucleotiden mit Einfang-Tags Ceased EP2508530A1 (de)

Priority Applications (24)

Application Number Priority Date Filing Date Title
EP11160032A EP2508530A1 (de) 2011-03-28 2011-03-28 Reinigung von triphosphorylierten Oligonucleotiden mit Einfang-Tags
EP12710950.2A EP2691410B1 (de) 2011-03-28 2012-03-28 Aufreinigung von triphosphorylierten oligonukleotiden mit einfang-tags
US14/007,752 US9399658B2 (en) 2011-03-28 2012-03-28 Purification of triphosphorylated oligonucleotides using capture tags
DK12710950.2T DK2691410T3 (en) 2011-03-28 2012-03-28 PURIFICATION OF TRIPHOSPHORIATED OLIGON NUCLEOTIDES WITH USE OF Catching TAGs
PL12710950T PL2691410T3 (pl) 2011-03-28 2012-03-28 Oczyszczanie trifosforylowanych oligonukleotydów z użyciem znaczników wychwytu
JP2014501597A JP5981985B2 (ja) 2011-03-28 2012-03-28 キャプチャータグを用いた、三リン酸化オリゴヌクレオチドの精製
SM20170211T SMT201700211T1 (it) 2011-03-28 2012-03-28 Purificazione di oligonucleotidi trifosforilati utilizzando contrassegni di cattura
EP17161309.4A EP3199538B1 (de) 2011-03-28 2012-03-28 Aufreinigung von triphosphorylierten oligonukleotiden mit einfang-tags und modifizierten triphosphorylierten oligonukleotiden als aktivatoren von rig-1 helicase
HUE12710950A HUE033843T2 (en) 2011-03-28 2012-03-28 Purification of triphosphorylated oligonucleotides using capture tags
CN201280015575.XA CN103492405B (zh) 2011-03-28 2012-03-28 使用捕获标记物的三磷酸化寡核苷酸的纯化
SI201230928A SI2691410T1 (sl) 2011-03-28 2012-03-28 Čiščenje trifosforiliranih oligonukleotidov z uporabo lovilnega označevalca
RS20170383A RS55912B1 (sr) 2011-03-28 2012-03-28 Prečišćavanje trifosforilovanih oligonukleotida korišćenjem zarobljavajućih markera
LTEP12710950.2T LT2691410T (lt) 2011-03-28 2012-03-28 Trifosforilintų oligonukleotidų gryninimas naudojant specifinius žymenis
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